215522925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 371226240

約数和(自身を除く): 155703315

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 197, 435, 503, 591, 725, 985, 1509, 2175, 2515, 2955, 4925, 5713, 7545, 12575, 14587, 14775, 17139, 28565, 37725, 43761, 72935, 85695, 99091, 142825, 218805, 297273, 364675, 428475, 495455, 1094025, 1486365, 2477275, 2873639, 7431825, 8620917, 14368195, 43104585, 71840975, 215522925]

約数ペア:

[(1, 215522925), (3, 71840975), (5, 43104585), (15, 14368195), (25, 8620917), (29, 7431825), (75, 2873639), (87, 2477275), (145, 1486365), (197, 1094025), (435, 495455), (503, 428475), (591, 364675), (725, 297273), (985, 218805), (1509, 142825), (2175, 99091), (2515, 85695), (2955, 72935), (4925, 43761), (5713, 37725), (7545, 28565), (12575, 17139), (14587, 14775)]